2003–2004 Honda Accord Idle Is Slightly Higher Than Expected After a Cold Start

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Filed Under (Honda) by admin on 03-01-2011

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The MIL is on with PGM-FI DTC P0507 stored, and/or the idle is slightly higher than expected when started cold. PROBABLE CAUSE The PCM software misinterprets inputs for the PGM-FI idle air control setting. CORRECTIVE ACTION Use the HDS to update the ECM/PCM PGM-FI software. SOFTWARE INFORMATION Accord: HDS software version 2.005.004 (or later) Element: HDS software version 2.005.008 (or later) REPAIR PROCEDURE 1. Update the PGM-FI software (refer to Service Bulletin 01-023, Updating Control Units/Modules). 2. Verify the ECM/PCM PGM-FI software update repaired the vehicle by starting the engine and letting it idle for 3 minutes, then use the HDS to check the DTC P0507 in OBD STATUS. • In HDS, click on Honda Systems.

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